"Shucks, you're a kid yet," he said.

He ignored Dade, giving his attention to Taggart, who was now near the bunkhouse.
Taggart's coming was attended with interest by Malcolm, who, hearing hoofbeats in the ranchhouse yard came to the door of the bunkhouse where he had been doing some small task; by Bob, who hobbled out of the stable door, his eyes wide; and by Betty, who, forewarned of the visit by Dade, had come out upon the porch and had been watching his approach.
Dade was interested also, betraying his interest by covertly eyeing Taggart as he drew his pony to a halt.

But apparently Calumet's interest was largely negative, for he did not move from his position, merely glancing at Taggart as the latter halted his pony, grinning mildly at him and speaking to him in a slow drawl.
"Get off your cayuse an' visit," he invited.
Taggart's smile was wide as he dismounted.

He did not seem to look at the others particularly, not even deigning a glance at Dade, but his gaze fell on Betty with an insolent boldness that brought a flush to that young lady's face.

There was a challenge in the look he gave her.
He dismounted and bowed mockingly to her, sweeping his hat from his head with a movement so derisive that it made Dade longingly finger his pistol butt.
Calumet still sat on the pile of lumber.